Question: which isotope of Platinum has the lowest binding energy
Paraphrase: which isotope of Platinum has the least official energy
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q19475 . ?ent wdt:P2154 ?obj . ?ent wdt:P279 wd:Q880. } ORDER BY ASC(?obj)LIMIT 5 
Answer: platinum-166, platinum-167, platinum-168, platinum-169, platinum-170